import cv2
import numpy as np
from matplotlib import pyplot as plt

img_rgb = cv2.imread('image/ma.png')
img_gray = cv2.cvtColor(img_rgb, cv2.COLOR_BGR2GRAY)
template = cv2.imread('image/ma_coin.png',0)
w,h = template.shape[::-1]
res = cv2.matchTemplate(img_gray, template, cv2.TM_CCOEFF_NORMED)
threshold = 0.8

loc = np.where(res >= threshold)
for pt in zip(*loc[::-1]):
    cv2.rectangle(img_rgb, pt, (pt[0] + w,pt[1] + h), (0,0,255),2)
cv2.imwrite('247.png', img_rgb)